21697100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12763}}^1$

素因数の和:12794

約数の個数: 36

約数和(自身を含む): 49856184

約数和(自身を除く): 28159084

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12763, 25526, 51052, 63815, 127630, 216971, 255260, 319075, 433942, 638150, 867884, 1084855, 1276300, 2169710, 4339420, 5424275, 10848550, 21697100]

約数ペア:

[(1, 21697100), (2, 10848550), (4, 5424275), (5, 4339420), (10, 2169710), (17, 1276300), (20, 1084855), (25, 867884), (34, 638150), (50, 433942), (68, 319075), (85, 255260), (100, 216971), (170, 127630), (340, 63815), (425, 51052), (850, 25526), (1700, 12763)]